CNBC's Scott Wapner reports the FBI is reportedly looking into trades made by pro golfer Phil Mickelson and Carl Icahn. Icahn says he doesn't know of any investigation and he and Mickelson have never spoken.

Hon. Richard Holwell, former federal judge, weighs in on the insider trading investigation tied to pro golfer Phil Mickelson and investor Carl Icahn, and shares his thoughts on who may have leaked the story to the press.

CNBC's Scott Wapner reports the FBI is inquiring about trades made by pro golfer Phil Mickelson, investor Carl Icahn and gambler William Walters. Icahn says he has never met or spoken to Phil Mickelson.

The word is out the FBI is asking questions about trades made by pro golfer Phil Mickelson, along with gambler Billy Walters and at least one involving an investment by Carl Icahn, reports CNBC's Scott Cohn.